Senior Software Engineer (TypeScript / Node.js) in Belfast

Senior Software Engineer (TypeScript / Node.js) in Belfast

Belfast Full-Time 60000 - 80000 £ / year (est.) Home office (partial)
Ocho

At a Glance

  • Tasks: Design and build scalable backend services and develop React-based frontend features.
  • Company: Join a fast-growing Series B tech company focused on KYC and compliance intelligence.
  • Benefits: Earn up to £80,000 with equity participation, health benefits, and a performance bonus.
  • Other info: Enjoy hybrid or remote work options within Northern Ireland and excellent career growth.
  • Why this job: Make a real impact in a small team while working on complex, meaningful projects.
  • Qualifications: 5+ years of software engineering experience with strong TypeScript and Node.js skills.

The predicted salary is between 60000 - 80000 £ per year.

At a Glance

  • Senior-level engineering role at a Series B KYC and compliance intelligence platform
  • Core stack: TypeScript, Node.js (Fastify), React, MongoDB, AWS
  • Hybrid or remote within Northern Ireland
  • Salary: £60,000 - £80,000
  • Small, high-calibre team; end-to-end ownership of a genuinely complex product

About the Company

Our client is a Series B technology company building an intelligent KYC and enhanced due diligence platform used by financial institutions and compliance-focused organisations. They operate in a high-stakes, regulated domain, combining entity resolution, risk analysis, and real-time screening into a sophisticated data intelligence product. Backed by institutional investment and growing fast, this is a company solving hard problems at scale with the engineering rigour to match.

The Role

You will join a lean, high-calibre engineering team working directly on the core platform. The role spans backend and frontend, with a natural lean towards the API and service layer. You will own features end-to-end, from early architecture decisions through to production deployment. The team moves quickly and expects engineers who can operate independently, challenge assumptions, and raise the quality bar without being asked. Prior experience in regulated environments is a genuine advantage; if you understand why data integrity and audit trails matter, you will feel at home here immediately.

Key Responsibilities

  • Design and build scalable backend services using Node.js and Fastify
  • Develop and maintain React-based frontend features as part of a full-stack remit
  • Architect and manage complex data models within MongoDB across relationship-rich datasets
  • Implement and maintain cloud infrastructure on AWS, including SNS, SQS, EKS, and Lambda
  • Own containerisation and deployment pipelines using Docker, Helm, and ArgoCD
  • Write unit and integration tests using Vitest and end-to-end tests with Playwright
  • Integrate third-party services including Auth0 for authentication and Stripe for payments
  • Contribute to architectural decisions and technical direction alongside the engineering lead
  • Participate actively in sprint ceremonies from refinement through to release

What You'll Need

Essential

  • 5+ years of commercial software engineering experience
  • Strong, production-grade TypeScript and Node.js skills
  • Experience designing and building REST APIs; Fastify experience is a genuine advantage
  • MongoDB or equivalent document database experience
  • AWS experience across core services including SNS, SQS, Lambda, and EKS
  • Comfortable with Docker and containerised deployment workflows
  • Experience writing automated tests and owning quality within a CI/CD pipeline
  • Right to work in the UK

Nice to have

  • Experience in fintech, regtech, or another regulated environment
  • Familiarity with Auth0 and Stripe integrations
  • Exposure to Helm and ArgoCD for deployment orchestration

Why Apply

  • Salary up to £80,000 depending on experience
  • Equity participation; Series B with strong growth trajectory
  • Hybrid or fully remote within Northern Ireland
  • Health/pension/bonus
  • Small team, real impact; your architectural decisions shape the product, not just a feature
  • Complex, meaningful work in a domain where quality genuinely matters

Interested? Get in touch with Ryan at Ocho People. Connect on LinkedIn or send your CV directly to us and we can take it from there.

Senior Software Engineer (TypeScript / Node.js) in Belfast employer: Ocho

Join a dynamic and innovative digital consultancy that champions a remote-first work culture, offering exceptional benefits such as a competitive salary, generous annual leave, and a commitment to professional development. With a focus on quality and collaboration, you'll thrive in an environment that values your expertise and provides the autonomy to shape QA processes while working on complex, multi-component systems alongside a talented team in Northern Ireland.

Ocho

Contact Details:

Ocho Recruitment Team

We think you need these skills to ace Senior Software Engineer (TypeScript / Node.js) in Belfast

TypeScript
Node.js
Fastify
React
MongoDB
AWS
SNS